* {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
    overflow: auto;
}

li {
    list-style: none;
}

html, body, #root {
    min-width: 1760px;

    width: 100%;
    height: 100%;
    font-size: 16px;
}

#root {
    background: url("../images/demo4_bg.png") no-repeat;
    background-size: cover;
    color: white;
}

/*.header*/
.header {
    width: 95%;
    margin: 60px auto;
    display: flex;
    font-size: 60px;
    flex-wrap: nowrap;
    align-items: center;
    justify-content: space-between;

    & i {
        font-size: 80px;
        color: #ef792e;
    }

}

.right {
    display: flex;
    font-size: 23px !important;

    & i {
        font-size: 45px;
        color: #ffffff;
    }
}

.box {
    width: 100%;
    margin: 0 auto;
    min-width: 1760px;
    padding-top: 15px;
    display: grid;
    grid-template-columns: repeat(7, 13%);
    grid-template-rows: repeat(3, 234px);
    overflow: auto;
    gap: 20px;
    place-content: center;

    & div {
        display: flex;
        flex-direction: column;
        justify-content: center;
        align-items: center;
        position: relative;
    }
}

.r1_3c1_3 {
    grid-column: 1/3;
    grid-row: 1/3;

    & i {
        font-size: 270px !important;
    }
}

.c5_7 {
    grid-column: 5/7;
}

.c3_5 {
    grid-column: 3/5;
}

.c6_8r2_4 {
    grid-column: 6/8;
    grid-row: 2/4;

    & i {
        font-size: 270px !important;
    }
}

.box p {
    position: absolute;
    left: 25px;
    bottom: 25px;
    font-size: 28px;
}

.box i {
    font-size: 124px;
    padding-bottom: 40px;
}

/*color*/
.box div {
    &:nth-child(1) {
        background: #3fc09d;
    }

    &:nth-child(2) {
        background: #11bde6;
    }

    &:nth-child(3) {
        background: #b68ad8;
    }

    &:nth-child(4) {
        background: #265eb5;
    }

    &:nth-child(5) {
        background: #fde27a;
    }

    &:nth-child(6) {
        background: #38cdd4;
    }

    &:nth-child(7) {
        background: #fdbf4f;
    }

    &:nth-child(8) {
        background: #3e99e3;
    }

    &:nth-child(9) {
        background: #82d69c;
    }

    &:nth-child(10) {
        background: #f7a2a3;
    }

    &:nth-child(11) {
        background: #3f89c7;
    }
}

/*外阴影*/
.yinYing {
    border-radius: 2px;
    box-shadow: 0 0 5px 10px rgb(31, 248, 252);
}

.nav {
    margin-top: 60px;
}

.nav ul {

    display: flex;
    justify-content: center;
    align-items: center;

}

.nav li {
    font-weight: 700;
    width: 200px;
    text-align: center;
    font-size: 30px;
}